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Showing 1 to 1 of 1 for “"tree approximation"”.
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Études in Ambitwistor Strings - Exploring new models, higher loops and curved backgrounds
… refined 4d scattering equations. It computes all tree level amplitudes, in all trace sectors, of minimally coupled sEYM with one gluon multiplet and two, CP conjugate, gravity multiplets. The RSV formula for \Neqfour super-Yang-Mills and a certain subsector of the CS formula for \Neqeight …